1289663656

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{733}}^1\times {\mathrm{761}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 2575613340

約数和(自身を除く): 1285949684

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 733, 761, 1156, 1466, 1522, 2312, 2932, 3044, 5864, 6088, 12461, 12937, 24922, 25874, 49844, 51748, 99688, 103496, 211837, 219929, 423674, 439858, 557813, 847348, 879716, 1115626, 1694696, 1759432, 2231252, 4462504, 9482821, 18965642, 37931284, 75862568, 161207957, 322415914, 644831828, 1289663656]

約数ペア:

[(1, 1289663656), (2, 644831828), (4, 322415914), (8, 161207957), (17, 75862568), (34, 37931284), (68, 18965642), (136, 9482821), (289, 4462504), (578, 2231252), (733, 1759432), (761, 1694696), (1156, 1115626), (1466, 879716), (1522, 847348), (2312, 557813), (2932, 439858), (3044, 423674), (5864, 219929), (6088, 211837), (12461, 103496), (12937, 99688), (24922, 51748), (25874, 49844)]